CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. Prior to 1.6.2, Reporting_RCBWriteAccessHandler accepts an RptID longer than 129 bytes in the report-control-block write path. When GI later causes sendNextReportEntrySegment to serialize the report, the function wraps rptIdBuf[130] as a temporary MmsValue and passes it to MmsValue_setVisibleString. The setter's resize path frees the stack-backed buffer, allowing a remote client to trigger an invalid free and server crash by writing the oversized RptID and then generating a report. This issue is fixed in version 1.6.2.
Засегнати продукти
- mz-automation libiec61850: < 1.6.2
Вид слабост
История
- 16 октомври 2026 Публикувано
Други уязвимости в mz-automation libiec61850
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-68908
- https://nvd.nist.gov/vuln/detail/CVE-2026-68908
- https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7qg8-hm25-rv5v
- https://github.com/mz-automation/libiec61850/commit/5b2a69f44256b8548927d8afdd7ac5f5381abe1e
- https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2